Registration

Online sign up for the Greater Yellowstone Adventure Series races always opens at high noon (12:00 PM) Mountain Standard Time on March 1. The reason? It was on March 1, 1872 that the US Congress established Yellowstone National Park in what was then the Territories of Montana and Wyoming. The region had only been explored once and had barely been surveyed. But, President Grant had the foresight to create the world’s first national park. Good Call!

Keep in touch with us on registration opening. Please considering signing up for our free newsletter so you’ll always be fully in the loop.

Double Marathoners and TBAs (those who do the Madison Trifecta – the Madison Duathlon, Madison Marathon, and Madison Triathlon) can sign up beginning on January 1. This is one way to guarantee yourself a spot in our races. You can either commit to a double marathon, the only one in Montana, or commit to the Madison Trifecta and earn a TBA. More people have orbited the moon than have earned a TBA. Marathon Maniacs can earn four stars by doing Montana’s only Double Marathon – the Madison Marathon and the Big Sky Marathon. Join this group!

For all the other races, please just click on the link below the logo. This will take you directly to the events.com sign up page for that race. Just contact us at sam@yespi.net if you have any questions. See you this summer!

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This will be the 3rd year that we offer a Double Marathon. It is the only double marathon in Montana offered by a series. Marathon Maniacs can earn four stars by doing these two races over this weekend in July.

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This is the 6th year we are offering the Madison Trifecta. If you complete all three of these races in just a four-week time span, you will earn a T.B.A. award. This stands for ‘Total Bad Ass’ because that’s exactly what you are if can pull this one off.
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Once again we are partnering with Willies Distillery for Southwest Montana’s coolest 5K. This race coincides with Willies Distillery generous pig roast. It offers food, fun, and music for free. Drinks of all kinds are available. It’s a family event and a great way to kick off the summer (along with running the 5K of course).
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The Madison Duathlon is the first leg of the Madison Trifecta.
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The Madison Marathon is the second leg of the Madison Trifecta.
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The Big Sky Marathon is the second half of our double marathon weekend.
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The Madison Triathlon is the third and final leg of the Madison Trifecta.
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This will be entirely new ground for us here. The Tour de Gravelly will be an 80+ mile cycling race along the spine of the Gravelly Range. It starts in Ennis and finishes at Lion’s Bridge in the southern part of the Madison Valley.

This institution operates under a special use permit from the Beaverhead Deerlodge National Forest.
This institution is an equal opportunity provider.

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